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Find information about getting an employer identification number (EIN), understanding deductions and tax credits and using the IRS tax calendar.

Your business structure determines which income tax return form you file. Consider legal and tax issues when selecting a business structure.

Find federal tax information for people starting a business, and information to assist in making basic business decisions.

Learn about the types of federal business taxes.

Resources for small entities and self-employed in each of the five functions covered by TE/GE.

Learn the procedures for closing a business including what forms to file and how to handle additional revenue received or expenses you may incur.

Welcome to the Outreach Connection for businesses page. Here you’ll find useful information and resources ready to share with your staff, clients, customers or colleagues.

IR-2024-85, March 29, 2024 — As part of this year’s Dirty Dozen, the Internal Revenue Service continues to warn businesses and others to stay clear of unscrupulous and aggressive promoters of questionable claims for the Employee Retention Credit.

Search for business topics like employer tax identification number (EIN) information, with the A-Z Index. Search by business type or subject.

Information about Form 8941, Credit for Small Employer Health Insurance Premiums, including recent updates, related forms, and instructions on how to file. Form 8941 is used by eligible small employers to figure the credit for small employer health insurance premiums for tax years after 2009.